Perhaps you should try some spelling variations:
der developpement » de developpement, des developpements, leur developpement
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
technology trade » technology trends, technology transfer, technology transfers
trade inflation » grade inflation, trade insulation, rate inflation
inflation rates » inflation rate
communication 3 » communication _, communication a
developpement l » developpement il, developpement la, developpement de
rates rules » rate rules, gats rules, rates rates
rules 4.2 » rules 3.2, rules 4.3
l afrique » en afrique
3 der » _ der, 2 der

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology trade inflation rates rules 4.2 communication 3 der developpement l afrique.*.